added test to ensure XMLCatalog *and* classpath are working as expected.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272534 13f79535-47bb-0310-9956-ffa450edef68

src/etc/testcases/taskdefs/optional/xmlvalidate.xml

@@ -14,5 +14,15 @@
       antfile="validate.xml"
       target="testValidate"/>
   </target>
+
+  <target name="xmlcatalog">
+    <xmlvalidate warn="false">
+      <fileset dir="xml" includes="**/about.xml"/>
+      <xmlcatalog classpath="xml">
+        <dtd publicID="-//stevo//DTD doc 1.0//EN"
+             location="doc.dtd"/>
+      </xmlcatalog>
+    </xmlvalidate>
+  </target>
   
 </project>

src/testcases/org/apache/tools/ant/taskdefs/optional/XmlValidateTest.java

@@ -111,5 +111,12 @@ public class XmlValidateTest extends BuildFileTest {
     public void testDeepValidate() throws Exception {
          executeTarget("testDeepValidate");
     }
+
+    /**
+     *
+     */
+    public void testXmlCatalog() {
+        executeTarget("xmlcatalog");
+    }
 }